Fluorescent display apparatus with multi-colour phosphor...

Details Fluorescent display apparatus with multi-colour phosphor... Fluorescent display apparatus with multi-colour phosphor...

H - Electricity

01

J

375/47, 313/81

H01J 1/63 (2006.01) C09K 11/77 (2006.01) H01J 29/20 (2006.01) H01J 31/15 (2006.01)

Patent

CA 1130362

ABSTRACT OF THE DISCLOSURE A fluorescent display device comprising at least one phosphor screen composed of a mixture of a SnO2 : Eu phosphor with at least one of the cathodo- luminescent phosphor; having different emission spectra and exitation properties from SnO2 : Eu phosphor. This fluorescent display device emits light of different colors when drived at different voltages and at pulse voltages with different pulsewidths. A display apparatus comprises such a fluorescent display device and a driving device with variable output voltage.

333421

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